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pyramidal

/pɪˈɹæm.ɪ.dl̩/ adjective

In Latin: pȳramidālis Wiktionary

adjective Definition from WordNet 3.1, Princeton University. Pronunciation from Wiktionary, via Kaikki.org. More about pyramidal at Wordnik → Where our words come from →

  1. Resembling a pyramid.

Origin

From Middle English piramidal, piramydale, from Medieval Latin pȳramidālis. By surface analysis, pyramid + -al.

From Wiktionary, via Kaikki.org (CC BY-SA)